What’s Vulnerable › Vulnerabilities

CVE-2019-25051

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-20 · updated 2026-06-17
• Weakness: CWE-787

Description

objstack in GNU Aspell 0.60.8 has a heap-based buffer overflow in acommon::ObjStack::dup_top (called from acommon::StringMap::add and acommon::Config::lookup_list).

Affected products

• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 34
• GNU Aspell: 0.60.8

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462
• https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml
• https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE/
• https://www.debian.org/security/2021/dsa-4948
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18462
• https://github.com/gnuaspell/aspell/commit/0718b375425aad8e54e1150313b862e4c6fd324a
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/aspell/OSV-2020-521.yaml
• https://lists.debian.org/debian-lts-announce/2021/07/msg00021.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7E4EI7F6TVN7K6XWU6HSANMCOKKEREE/
• https://www.debian.org/security/2021/dsa-4948

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